Can't use WMS layer in 4818

[jezevec]

Josm report bug after wms use attempt (I test few different sources)

Repository Root: ​http://josm.openstreetmap.de/svn
Build-Date: 2012-01-19 02:33:08
Last Changed Author: bastiK
Revision: 4818
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
URL: ​http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2012-01-18 20:43:48 +0100 (Wed, 18 Jan 2012)
Last Changed Rev: 4818

Identification: JOSM/1.5 (4818 cs)
Memory Usage: 151 MB / 989 MB (70 MB allocated, but free)
Java version: 1.6.0_29, Sun Microsystems Inc., Java HotSpot(TM) Client VM
Operating system: Windows Vista
Dataset consistency test: No problems found

Plugin: ElevationProfile (27285)
Plugin: Tracer (27354)
Plugin: buildings_tools (27355)
Plugin: download_along (27289)
Plugin: licensechange (27472)
Plugin: measurement (27289)
Plugin: multipoly-convert (27289)
Plugin: openstreetbugs (27355)
Plugin: plastic_laf (26605)
Plugin: reverter (27393)
Plugin: turnrestrictions (27355)
Plugin: undelete (27395)
Plugin: utilsplugin2 (27426)
Plugin: waydownloader (27289)

java.lang.NullPointerException

at org.openstreetmap.josm.data.imagery.WmsCache.removeNonReferencedFiles(WmsCache.java:246)
at org.openstreetmap.josm.data.imagery.WmsCache.loadIndex(WmsCache.java:219)
at org.openstreetmap.josm.gui.layer.WMSLayer.<init>(WMSLayer.java:173)
at org.openstreetmap.josm.gui.layer.ImageryLayer.create(ImageryLayer.java:133)
at org.openstreetmap.josm.actions.AddImageryLayerAction.actionPerformed(AddImageryLayerAction.java:45)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.AbstractButton.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)